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Minor mag. 1.8 earthquake - 45 mi west of Kalifornsky, Kenai Peninsula, Alaska, USA, on Wednesday, Nov 30, 2022 at 1:39 am (GMT -9) -

Minor magnitude 1.8 earthquake at 104 km depth

30 Nov 10:41 UTC: First to report: USGS after 2 minutes.

Earthquake details

Date & time	Nov 30, 2022 10:39:28 UTC -
Local time at epicenter	Wednesday, Nov 30, 2022 at 1:39 am (GMT -9)
Status	Confirmed
Magnitude	1.8
Depth	103.5 km
Epicenter latitude / longitude	60.2029°N / 152.5344°W (Gulf of Alaska, Alaska, United States)
Antipode	60.203°S / 27.466°E
Shaking intensity	Not felt
Felt
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Redoubt (33 km / 21 mi)
Nearby towns and cities	51 km (32 mi) WNW of Ninilchik (pop: 883) \| Show on map \| Quakes nearby 61 km (38 mi) NW of Anchor Point (pop: 1,930) \| Show on map \| Quakes nearby 73 km (45 mi) WSW of Kalifornsky (pop: 7,850) \| Show on map \| Quakes nearby 80 km (50 mi) WSW of Kenai (pop: 7,660) \| Show on map \| Quakes nearby 83 km (52 mi) NW of Homer (pop: 5,520) \| Show on map \| Quakes nearby 86 km (54 mi) NW of Fritz Creek (pop: 1,930) \| Show on map \| Quakes nearby 87 km (54 mi) WSW of Soldotna (pop: 4,540) \| Show on map \| Quakes nearby 87 km (54 mi) SW of Nikiski (pop: 4,490) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Broken Clouds -10.8°C (13 F), humidity: 72%, wind: 2 m/s (4 kts) from NNW
Estimated seismic energy released	3.2 x 10⁷ joules (8.78 kilowatt hours) \| about seismic energy

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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.

Mag.	Depth	Location	Source
1.8	104 km	51 Km WNW of Ninilchik, Alaska	USGS
1.8	104 km	Southern Alaska	RaspberryShake
1.8	10 km	Southern Alaska	IRIS

Most recent quakes Top 20 past 24 hrs Quakes in the US Alaska

Seismograms

Seismic station: Redoubt Volcano, Redoubt Volcano, Alaska (RED/AV network) | Distance from quake: 27 km / 17 mi | Show on map | Station Info

Seismic station Redoubt Volcano, Redoubt Volcano, Alaska: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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Seismic station Redoubt Volcano, Redoubt Volcano, Alaska: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Redoubt Volcano, Redoubt Volcano, Alaska: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Iliamna Northeast, Iliamna, Alaska (ILNE/AV network) | Distance from quake: 33 km / 21 mi | Show on map | Station Info

Seismic station Iliamna Northeast, Iliamna, Alaska: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Iliamna Northeast, Iliamna, Alaska: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Iliamna Northeast, Iliamna, Alaska: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Iliamna Southwest, Iliamna Volcano, Alaska (ILSW/AV network) | Distance from quake: 42 km / 26 mi | Show on map | Station Info

Seismic station Iliamna Southwest, Iliamna Volcano, Alaska: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Iliamna Southwest, Iliamna Volcano, Alaska: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Iliamna Southwest, Iliamna Volcano, Alaska: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Homer Trailer, AK, USA (HOM/AK network) | Distance from quake: 78 km / 49 mi | Show on map | Station Info

Seismic station Homer Trailer, AK, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Homer Trailer, AK, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Homer Trailer, AK, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Augustine Cone H, Augustine Volcano, Alaska (AUCH/AV network) | Distance from quake: 106 km / 66 mi | Show on map | Station Info

Seismic station Augustine Cone H, Augustine Volcano, Alaska: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Augustine Cone H, Augustine Volcano, Alaska: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Augustine Cone H, Augustine Volcano, Alaska: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake

At magnitude 1.8, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.

Earlier earthquakes in the same area

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